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ES&A provides site assessment, planning and permitting services for public works projects, commercial and industrial facilities and private residential development. Our work ranges from performing wetland assessments for small residential developments to extensive site planning and permitting work for large public works and industrial development projects.

environmental services provided to local clients


(1) Biological Reports


Wetland Delineation

NMFS/USFWS Biological Assessments

Natural Resource Assessment (NRA)

Goal 5 Analyses

Analysis & Presentation of Scientific & Technical Data


(2) Permitting


USACE/DSL Joint Section 404/Removal-Fill

DSL General Authorization

DEQ Section 401 Water Quality Certification

CWS Service Provider Letter

DEQ 1200-C (Erosion Control)

Goal 5 Elements of Land Use actions

Evaluation of Stormwater BMPs

Assessment of NPDES Permit Conditions

(3) Monitoring

Field data collection

Monitoring Plans

Monitoring Reports

4) Environmental Plan Review Services

Review Development Plans for compliance w/ State & Federal Laws & CWS Vegetated Corridor/WQSA Protection

Review NRA and Wetland Delineation Reports

Perform Site Visits w/ or w/o Applicants


© Copyright 2010, Environmental Science & Assessment, LLC
107 SE Washington Street, #249 • Portland, OR 97214
P 503.478.0424